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USB

Interface Chips

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US Digital QSB Product Photo

QSB Quadrature to USB Adapter

Low-cost, easy-to-use USB (Type A) adapter
QSB-S and QSB-D reads single-ended or differential quadrature, PWM and analog encoders
QSB-M adds four analog and four digital I/O pins and 1 channel stepper motor control to QSB-S
Reads quadrature count rate up to 6 MHz ...

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US Digital SEI-USB Product Photo

SEI-USB SEI to USB Adapter

USB 1.1 device communicates at 12 Mbit/sec
Compatible with USB 2.0 hubs and host adapters
Supports up to 15 total devices on the SEI bus
Supports SEI bus lengths up to 1,000 feet, depending on the number of devices attached. ...

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US Digital USB4 Product Photo

USB4 Encoder Data Acquisition USB Device

Real-time tracking of up to 4 incremental encoders with or without index (up to 5 MHz encoder input frequency)
4 channel pulse width, pulse period and RPM measurement
Available with single-ended or differential encoder inputs, optional DIN rail mounting
8 digital outputs, 8 digital inputs, 4 A/D inputs , 4 D/A outputs ...

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